1 . 如图,某组合体是由正方体
与正四棱锥
组成,已知
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/6f1101e3-d2e2-4680-989e-d3d7ecec7dd4.png?resizew=128)
(1)求该组合体的体积;
(2)求该组合体的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724625d4f91f0e48712d6d143a6389b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b7fed032ded1310a74c7e758457b618.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/6f1101e3-d2e2-4680-989e-d3d7ecec7dd4.png?resizew=128)
(1)求该组合体的体积;
(2)求该组合体的表面积.
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2023-05-11更新
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3卷引用:宁夏回族自治区银川一中2022-2023学年高一下学期期中考试数学试题